Annotations: 5WWO

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF05291	e5wwoA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05291	ECOD (1.6)
B	PF05291	e5wwoB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05291	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05291	Bystin (Bystin)	Bystin	-	Family
C	PF04180	Low temperature viability protein (LTV)	Low temperature viability protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Essential nuclear protein 1	RNA binding binding organic cyclic compound binding snoRNA binding nucleic acid binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process cellular metabolic process primary metabolic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process cellular localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport mRNA transport localization mRNA export from nucleus establishment of localization in cell RNA localization nuclear export nucleobase-containing compound transport RNA transport organic substance transport nucleic acid transport poly(A)+ mRNA export from nucleus intracellular transport establishment of localization RNA export from nucleus establishment of RNA localization macromolecule localization maturation of SSU-rRNA ribosomal small subunit biogenesis maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) maturation of 5.8S rRNA maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle 90S preribosome preribosome protein-containing complex ribonucleoprotein complex cytoplasm small-subunit processome preribosome, small subunit precursor
C	Protein LTV1	-	establishment of organelle localization cellular localization ribonucleoprotein complex biogenesis nucleocytoplasmic transport transport nuclear transport ribosomal subunit export from nucleus intracellular transport establishment of localization protein-containing complex localization cellular component biogenesis localization ribosome biogenesis ribosomal small subunit export from nucleus organelle localization establishment of organelle localization cellular localization ribonucleoprotein complex biogenesis nucleocytoplasmic transport transport nuclear transport ribosomal subunit export from nucleus intracellular transport establishment of localization protein-containing complex localization cellular component biogenesis localization ribosome biogenesis ribosomal small subunit export from nucleus organelle localization establishment of localization in cell cellular process cellular component organization or biogenesis nuclear export ribosome localization ribosomal small subunit biogenesis protein localization establishment of protein localization nitrogen compound transport organic substance transport protein transport cellular macromolecule localization macromolecule localization cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process organic substance metabolic process maturation of SSU-rRNA organic substance biosynthetic process RNA processing rRNA metabolic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process nucleic acid catabolic process metabolic process macromolecule metabolic process response to osmotic stress response to stimulus response to stress response to abiotic stimulus localization within membrane vesicle-mediated transport endocytic recycling endosomal transport vesicle-mediated transport to the plasma membrane ATP transport organic anion transport nucleotide transport purine ribonucleotide transport carbohydrate derivative transport purine nucleotide transport adenine nucleotide transport ATP export nucleobase-containing compound transport organophosphate ester transport cellular response to stimulus response to oxidative stress cellular response to chemical stimulus cellular response to stress response to chemical cellular response to oxidative stress cellular response to chemical stress	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle preribosome protein-containing complex ribonucleoprotein complex small-subunit processome preribosome, small subunit precursor cytoplasm cytosol Ragulator complex vacuolar membrane membrane membrane protein complex vacuole bounding membrane of organelle organelle membrane guanyl-nucleotide exchange factor complex intracellular protein-containing complex endosome intracellular vesicle endomembrane system cytoplasmic vesicle late endosome vesicle endosome membrane late endosome membrane cytoplasmic vesicle membrane vesicle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007955	Bystin	Family
C	IPR007307	Low temperature viability protein Ltv1	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.